public class YW_DuckFactory extends YW_AbstractDuckFactory {
  
	public YW_Quackable createMallardDuck() {
		return new YW_MallardDuck();
	}
  
	public YW_Quackable createRedheadDuck() {
		return new YW_RedheadDuck();
	}
  
	public YW_Quackable createDuckCall() {
		return new YW_DuckCall();
	}
   
	public YW_Quackable createRubberDuck() {
		return new YW_RubberDuck();
	}
}
